4th November 2021

A 57-year-old woman presents to A+E with a severe unilateral headache

A 57-year-old woman presents to A+E with a severe unilateral headache affecting her right temple and scalp tenderness noticed when brushing her hair. This is the first time such symptoms have manifested. PMH is insignificant, although the patient has complained of shoulder and pelvic girdle weakness. The doctor suspects a diagnosis of giant cell arteritis. Having performed a temporal artery biopsy, the doctor requests a duplex US scan of the temporal artery. What sign is the doctor most likely to see on US?

Select the SINGLE most appropriate option from the list below. Select ONE option only.